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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 1:32 am CST Nov 20, 2025 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight Morning Fog on Thursday 50% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday 20% chance of rain on Tuesday Mostly Sunny on Wednesday
Low: 43°F High: 57°F High: 54°F High: 54°F High: 60°F High: 58°F High: 54°F High: 44°F
Low: 45°F Low: 32°F Low: 36°F Low: 37°F Low: 41°F Low: 31°F  
Fog Morning Fog Rain Mostly Sunny Mostly Sunny Partly Sunny Rain Mostly Sunny
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Current Conditions at
GALESBURG - (KGBG)
45°
Cloudy
Mist
as of 1:35 AM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 5 Miles
Pressure: 30.13 in.
Flight Rule: IFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
PEORIA - (KPIA)
45°
Cloudy
Mist
as of 12:54 AM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 5 Miles
Pressure: 30.13 in.
Flight Rule: IFR
Wind Data
5 MPH
160° South
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
46°
Cloudy
Mist
as of 1:35 AM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 5 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
8 MPH
160° South
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
43°
Cloudy
Mist
as of 1:35 AM CST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 4 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 1100ft, Solid Overcast at 2300ft
Fog on Overnight Overnight... Patchy drizzle and fog. Cloudy, with a low around 43. Calm wind.

Morning Fog on Thursday Thursday... Patchy fog before 10am. Otherwise, cloudy, with a high near 57. Calm wind becoming south around 6 mph.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 45. Calm wind becoming north northeast around 5 mph after midnight.

50% chance of rain Friday Friday... A 50 percent chance of rain. Mostly cloudy, with a high near 54. North northeast wind 6 to 9 mph, with gusts as high as 16 mph.

30% chance of rain Friday Night Friday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32. North northeast wind 5 to 7 mph, with gusts as high as 15 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 54. East wind around 6 mph becoming light and variable in the afternoon.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 36. Calm wind becoming west southwest around 5 mph after midnight.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 60.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 37.

Partly Sunny on Monday Monday... Partly sunny, with a high near 58.

20% chance of rain Monday Night Monday Night... A chance of rain. Mostly cloudy, with a low around 41.

20% chance of rain Tuesday Tuesday... A chance of rain. Partly sunny, with a high near 54.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 31.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 44.

Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 06:54 AM
Sunset: 4:38 PM
Civil Sunrise:06:24 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:18 AM
Astro Sunset: 6:14 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.